CN114458735B - Self-locking mechanism of worm - Google Patents

Self-locking mechanism of worm Download PDF

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Publication number
CN114458735B
CN114458735B CN202210376728.9A CN202210376728A CN114458735B CN 114458735 B CN114458735 B CN 114458735B CN 202210376728 A CN202210376728 A CN 202210376728A CN 114458735 B CN114458735 B CN 114458735B
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CN
China
Prior art keywords
worm
self
brake ring
half shell
brake
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Active
Application number
CN202210376728.9A
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Chinese (zh)
Other versions
CN114458735A (en
Inventor
胡真
胡嘉涛
胡红涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Derock Linear Actuator Technology Co ltd
Original Assignee
Derock Linear Actuator Technology Co ltd
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Priority to CN202210376728.9A priority Critical patent/CN114458735B/en
Publication of CN114458735A publication Critical patent/CN114458735A/en
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Publication of CN114458735B publication Critical patent/CN114458735B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H1/00Toothed gearings for conveying rotary motion
    • F16H1/02Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/021Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention relates to a self-locking mechanism of a worm. The first end of the worm is rotatably installed in the brake fixing seat, the brake ring is sleeved on the worm and fixedly installed in the brake fixing seat, the brake ring and the worm are in interference fit, and the worm wheel is meshed with the worm. The worm can drive the turbine to rotate, and when the worm rotates, the sliding friction between the worm and the brake ring is 10N-20N. When the driving mechanism drives the worm to rotate, the friction force between the worm and the brake ring is small and can be ignored. When the worm is used as a driving end to drive the turbine, the transmission at the moment is speed reduction and torque increase; when the worm is driven to rotate by the worm wheel serving as the driving end, the worm can overcome the friction force to rotate reversely by the large enough torque at the worm wheel end, so that the self-locking of the worm is realized by additionally arranging the brake ring, the whole structure is simple, and the occupied space is small.

Description

Self-locking mechanism of worm
Technical Field
The invention relates to the field of transmission, in particular to a self-locking mechanism of a worm.
Background
A worm reduction mechanism is a power transmission mechanism that reduces the number of revolutions of a motor (motor) to a desired number of revolutions to obtain a large torque. The structure of worm gear is often used for changing the transmission direction and plays the effect that the speed reduction turned round, generally adopts the worm to drive the turbine and then drives corresponding mechanical motion among the worm gear, but in the application, if the turbine receives when great reverse action force for a long time, then can cause the worm reversal, can not the auto-lock. The existing self-locking mechanism is often complex in structure and large in occupied space, and cannot be used in a compact space.
Disclosure of Invention
Technical problem to be solved
The invention provides a self-locking mechanism of a worm, and aims to provide a self-locking mechanism which is simple in structure and small in occupied space.
(II) technical scheme
In order to solve the problems, the invention provides a self-locking mechanism of a worm, which comprises the worm, a brake fixing seat, a brake ring and a turbine;
the first end of the worm is rotatably installed in the brake fixing seat, the brake ring is sleeved on the worm and fixedly installed in the brake fixing seat, the brake ring and the worm are in interference fit, and the worm wheel is meshed with the worm;
the worm can drive the turbine is rotatory, just when the worm rotated, the worm with sliding friction between the brake ring is 10N ~ 20N.
Optionally, the self-locking mechanism further comprises a first bearing and a driving motor;
the first bearing sleeve is arranged on the worm and fixedly mounted in the brake fixing seat, an output shaft of the driving motor is fixedly connected with the worm, and the driving motor can drive the worm to rotate.
Optionally, the brake ring is provided with a self-locking hole, an inner notch and an outer notch;
the self-locking hole is positioned in the center of the brake ring, the gaps of the inner gaps are communicated with the self-locking hole, the inner gaps are arranged in an annular array by taking the self-locking hole as the center, the gaps of the outer gaps are positioned on the outer side wall of the brake ring, the outer gaps are arranged in an annular array by taking the self-locking hole as the center, and the outer gaps are positioned between the two inner gaps;
the brake fixing seat is provided with a plurality of adjusting holes, the length direction of the adjusting holes is the same as the radial direction of the brake ring, adjusting rods are arranged in the adjusting holes, and the adjusting rods can move along the length direction of the adjusting holes and abut against the brake ring.
Optionally, an internal thread is arranged in the adjusting hole, and an external thread matched with the internal thread in the adjusting hole is arranged on the adjusting rod.
Optionally, a protrusion is arranged on the outer side wall of the brake ring, and the protrusion is located between two adjacent outer notches;
the surface of the brake fixing seat, which is in contact with the brake ring, is provided with a concave opening for accommodating the protrusion.
Optionally, the self-locking mechanism further comprises a housing, a rear cover, a mounting plate and a second bearing;
the shell comprises a first half shell and a second half shell which are mutually butted, the rear cover is fixedly installed at one end of the first half shell and one end of the second half shell, the installation plate is fixedly installed at the other end of the first half shell and the other end of the second half shell, the driving motor is fixedly installed on the installation plate, and the second bearing is fixedly installed between the first half shell and the second half shell;
the brake fixing base is installed on the back lid, just the worm is located between first half shell and the second half shell, the second end of worm can pass the inner circle of second bearing with driving motor's output shaft fixed connection, the worm can pass first half shell with the second half shell with the turbine meshes.
Optionally, the self-locking mechanism further comprises a speed reducer;
the speed reducer is fixedly installed between the first half shell and the second half shell, an input shaft of the speed reducer is fixedly connected with an output shaft of the driving motor, and the output shaft of the speed reducer is fixedly connected with the second end of the worm.
Optionally, the brake ring is a flexible wear resistant brake ring.
(III) advantageous effects
According to the invention, the brake ring is arranged in the brake fixing seat, the brake ring and the worm are in interference fit, the sliding friction force between the worm and the brake ring is 10N-20N, and when the driving mechanism drives the worm to rotate, the sliding friction force between the worm and the brake ring is small and can be ignored. When the worm is used as a driving end to drive the turbine, the transmission at the moment is speed reduction and torque increase; when the worm is driven to rotate by the worm wheel serving as the driving end, the worm can overcome the friction force to rotate reversely by the large enough torque at the worm wheel end, so that the self-locking of the worm is realized by additionally arranging the brake ring, the whole structure is simple, and the occupied space is small.
Drawings
FIG. 1 is an exploded view of the self-locking mechanism of the worm of the present invention;
FIG. 2 is a general schematic view of the self-locking mechanism of the worm of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic structural view of a brake ring according to the present invention;
fig. 5 is an exploded view of the worm and housing of the present invention.
[ description of reference ]
10: a worm; 20: a brake fixing seat; 21: an adjustment hole; 22: adjusting a rod; 23: a recessed port; 30: a brake ring; 31: self-locking hole; 32: an inner notch; 33: an outer notch; 34: a protrusion; 40: a turbine; 50: a first bearing; 60: a drive motor; 71: a first half shell; 72: a second half shell; 80: a rear cover; 90: mounting a plate; 100: a second bearing; 110: and a speed reducer.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1 to 4, the present invention provides a self-locking mechanism for a worm, which includes a worm 10, a brake holder 20, a brake ring 30, and a worm wheel 40. The first end of worm 10 rotates to be installed in brake fixing base 20, and brake ring 30 cover is established on worm 10, and brake ring 30 fixed mounting is in brake fixing base 20, is interference fit between brake ring 30 and the worm 10, and worm wheel 40 meshes with worm 10. The worm 10 can drive the worm wheel 40 to rotate, and when the worm 10 rotates, the sliding friction force between the worm 10 and the brake ring 30 is 10N-20N. In practical application, the worm 10 drives the worm wheel 40 to rotate and further drives the corresponding mechanism to move through the worm wheel 40, when the end of the worm wheel 40 is stressed, namely the worm wheel 40 is subjected to corresponding torque, and when the end of the worm 10 is not provided with a self-locking device, the worm 10 can rotate under the action of the worm wheel 40. When the worm 10 is used as a driving end to drive the worm wheel 40, the transmission at the moment is speed reduction and torque increase; conversely, when the worm gear 40 is used as a driving end to drive the worm 10 to rotate, the worm 10 can overcome the friction force to rotate reversely by requiring a large enough torque at the end of the worm gear 40, so that the self-locking of the worm 10 is realized by additionally arranging the brake ring 30, the whole structure is simple, and the occupied space is small.
In a preferred embodiment, the driving mechanism of the worm 10 is a driving motor 60, and the self-locking mechanism further includes a first bearing 50 and the driving motor 60. The first bearing 50 is sleeved on the worm 10 and fixedly mounted in the brake fixing seat 20, an output shaft of the driving motor 60 is fixedly connected with the worm 10, and the driving motor 60 can drive the worm 10 to rotate. Drive worm 10 through driving motor 60 and rotate, simple structure is reliable, makes worm 10 rotate with brake fixing base 20 through first bearing 50 in addition and is connected, can change the sliding friction between worm 10 and the brake fixing base 20 into the rolling friction in the first bearing 50, reduces frictional force, improves life. Wherein the brake ring 30 is a flexible wear-resistant brake ring.
Further, as shown in fig. 2 to 4, the brake ring 30 is provided with a self-locking hole 31, an inner notch 32 and an outer notch 33. The self-locking hole 31 is located in the center of the brake ring 30, the gaps of the inner gaps 32 are communicated with the self-locking hole 31, the inner gaps 32 are arranged in an annular array with the self-locking hole 31 as the center, the outer gaps 33 are located between the two inner gaps 32, the gaps of the outer gaps 33 are located on the outer side wall of the brake ring 30, and the outer gaps 33 are arranged in an annular array with the self-locking hole 31 as the center. The brake fixing seat 20 is provided with a plurality of adjusting holes 21, the length direction of the adjusting holes 21 is the same as the radial direction of the brake ring 30, adjusting rods 22 are arranged in the adjusting holes 21, and the adjusting rods 22 can move along the length direction of the adjusting holes 21 and abut against the brake ring 30. The brake ring 30 is made of wear-resistant materials and has certain flexibility, the inner notch 32 and the outer notch 33 are arranged on the brake ring 30, so that the aperture size of the self-locking hole 31 in the brake ring 30 can be adjusted within a certain range, the adjusting hole 21 is further arranged in the brake fixing seat 20, the adjusting rod 22 is arranged in the adjusting hole 21, the brake ring 30 is pushed to the center of the brake ring 30 by the adjusting rod 22 through the movement of the adjusting rod 22 in the adjusting hole 21, the purpose of adjusting the aperture of the self-locking hole 31, namely the sliding friction force between the brake ring 30 and the worm 10 is achieved, different friction forces can be adjusted in different application scenes, and the application range is enlarged. Because the self-locking device can be used in frequent rotation state, the abrasion of the brake ring 30 is large, and the service life of the brake ring 30 can be prolonged by adjusting the size of the self-locking hole 31 on the brake ring 30 through the adjusting rod 22.
In a preferred embodiment, the adjustment aperture 21 is internally threaded and the adjustment rod 22 is externally threaded to mate with the internal threads of the adjustment aperture 21. The position of the adjusting rod 22 in the adjusting hole 21 is adjusted in a threaded connection mode, and the adjusting mode is simple and feasible.
Furthermore, the outer side wall of the brake ring 30 is provided with a protrusion 34, and the protrusion 34 is located between two adjacent outer gaps 33. The surface of the brake anchor block 20 that contacts the brake ring 30 is provided with recessed pockets 23 for receiving the protrusions 34. The provision of the projection 34 on the brake ring 30 and the recess opening 23 on the brake anchor bracket 20 allows the projection 34 to be received in the recess opening 23 to limit rotation of the brake ring 30 in the brake anchor bracket 20.
In addition, as shown in fig. 5, the self-locking mechanism further includes a housing, a rear cover 80, a mounting plate 90, and a second bearing 100. The shell includes first half shell 71 and second half shell 72 of butt joint each other, and back lid 80 fixed mounting is in the one end of first half shell 71 and second half shell 72, and mounting panel 90 fixed mounting is at the other end of first half shell 71 and second half shell 72, and driving motor 60 fixed mounting is on mounting panel 90, and second bearing 100 fixed mounting is between first half shell 71 and second half shell 72. The brake fixing base 20 is mounted on the rear cover 80, the worm 10 is located between the first half shell 71 and the second half shell 72, the second end of the worm 10 can penetrate through the inner ring of the second bearing 100 to be fixedly connected with the output shaft of the driving motor 60, and the worm 10 can be meshed with the worm wheel 40 through the first half shell 71 and the second half shell 72.
Finally, the self-locking mechanism also comprises a reducer 110. The speed reducer 110 is fixedly installed between the first half shell 71 and the second half shell 72, an input shaft of the speed reducer 110 is fixedly connected with an output shaft of the driving motor 60, and an output shaft of the speed reducer 110 is fixedly connected with the second end of the worm 10.
It should be understood that the above description of specific embodiments of the present invention is only for the purpose of illustrating the technical lines and features of the present invention, and is intended to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, but the present invention is not limited to the above specific embodiments. It is intended that all such changes and modifications as fall within the scope of the appended claims be embraced therein.

Claims (6)

1. The self-locking mechanism of the worm is characterized by comprising a worm (10), a brake fixing seat (20), a brake ring (30) and a turbine (40);
the first end of the worm (10) is rotatably installed in the brake fixing seat (20), the brake ring (30) is sleeved on the worm (10), the brake ring (30) is fixedly installed in the brake fixing seat (20), the brake ring (30) and the worm (10) are in interference fit, and the worm wheel (40) is meshed with the worm (10);
the worm (10) can drive the turbine (40) to rotate, and when the worm (10) rotates, the sliding friction force between the worm (10) and the brake ring (30) is 10N-20N;
the self-locking mechanism further comprises a first bearing (50) and a driving motor (60);
the first bearing (50) is sleeved on the worm (10), the first bearing (50) is fixedly installed in the brake fixing seat (20), an output shaft of the driving motor (60) is fixedly connected with the worm (10), and the driving motor (60) can drive the worm (10) to rotate;
the brake ring (30) is provided with a self-locking hole (31), an inner notch (32) and an outer notch (33);
the self-locking hole (31) is positioned in the center of the brake ring (30), the notches of the inner notches (32) are communicated with the self-locking hole (31), and the inner notches (32) are arranged in an annular array by taking the self-locking hole (31) as the center; the gaps of the outer gap (33) are positioned on the outer side wall of the brake ring (30), the outer gap (33) is arranged in an annular array by taking the self-locking hole (31) as a center, and the outer gap (33) is positioned between the two inner gaps (32);
be provided with a plurality of regulation holes (21) on brake fixing base (20), the length direction of adjusting hole (21) with the radial direction of brake ring (30) is the same, be provided with in regulation hole (21) and adjust pole (22), adjust pole (22) can be followed the length direction motion of adjusting hole (21) and with brake ring (30) butt.
2. Self-locking mechanism according to claim 1, wherein the adjustment hole (21) is internally provided with an internal thread and the adjustment rod (22) is provided with an external thread matching the internal thread of the adjustment hole (21).
3. The self-locking mechanism of claim 1, wherein the outer side wall of the brake ring (30) is provided with a protrusion (34), and the protrusion (34) is positioned between two adjacent outer notches (33);
the surface of brake fixing base (20) with brake ring (30) contact is provided with and is used for holding sunken mouthful (23) of arch (34).
4. The self-locking mechanism of claim 1, further comprising a housing, a rear cover (80), a mounting plate (90), and a second bearing (100);
the housing comprises a first half shell (71) and a second half shell (72) which are mutually butted, the rear cover (80) is fixedly installed at one end of the first half shell (71) and the second half shell (72), the mounting plate (90) is fixedly installed at the other end of the first half shell (71) and the second half shell (72), the driving motor (60) is fixedly installed on the mounting plate (90), and the second bearing (100) is fixedly installed between the first half shell (71) and the second half shell (72);
brake fixing base (20) are installed on back lid (80), just worm (10) are located between first half shell (71) and second half shell (72), the second end of worm (10) can pass the inner circle of second bearing (100) with the output shaft fixed connection of driving motor (60), worm (10) can pass first half shell (71) with second half shell (72) with turbine (40) meshing.
5. Self-locking mechanism according to claim 4, characterized in that it further comprises a reducer (110);
the speed reducer (110) is fixedly installed between the first half shell (71) and the second half shell (72), an input shaft of the speed reducer (110) is fixedly connected with an output shaft of the driving motor (60), and an output shaft of the speed reducer (110) is fixedly connected with the second end of the worm (10).
6. Self-locking mechanism according to claim 1, wherein the brake ring (30) is a flexible wear resistant brake ring.
CN202210376728.9A 2022-04-12 2022-04-12 Self-locking mechanism of worm Active CN114458735B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210376728.9A CN114458735B (en) 2022-04-12 2022-04-12 Self-locking mechanism of worm

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Application Number Priority Date Filing Date Title
CN202210376728.9A CN114458735B (en) 2022-04-12 2022-04-12 Self-locking mechanism of worm

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CN114458735A CN114458735A (en) 2022-05-10
CN114458735B true CN114458735B (en) 2022-07-12

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022849A1 (en) * 1990-07-18 1992-01-23 Bosch Gmbh Robert Drive for positioning e.g. window of motor vehicle - includes worm gear with extension from shaft surrounded by clamping rollers in pot with shoulder abutment
JPH08322195A (en) * 1995-05-26 1996-12-03 Matsushita Electric Ind Co Ltd Bearing structure for geared motor
US5605071A (en) * 1995-06-06 1997-02-25 Itt Automotive Electrical Systems, Inc. Enveloped worm gear clutch wedgelock responsive to reaction force
JP2000142105A (en) * 1992-03-06 2000-05-23 Asmo Co Ltd Power window motor
WO2005043719A1 (en) * 2003-10-28 2005-05-12 Valeo Motoren Und Aktuatoren Gmbh Electromotive auxiliary drive
JP2008039049A (en) * 2006-08-07 2008-02-21 Kayaba Ind Co Ltd Worm reduction gear and electric power steering device
JP2010223404A (en) * 2009-03-25 2010-10-07 Mitsuba Corp Clutch mechanism, and motor with reduction gear
CN107614928A (en) * 2015-06-29 2018-01-19 日本精工株式会社 Worm type of reduction gearing
JP2018115738A (en) * 2017-01-20 2018-07-26 日本精工株式会社 Worm reduction gear
CN110462991A (en) * 2017-03-14 2019-11-15 德沃特奥金有限公司 The electric furniture driving equipment of driving motor with braking device
CN210041553U (en) * 2019-07-08 2020-02-07 浙江三荣电机有限公司 Transmission mechanism of speed reducer
CN111271433A (en) * 2020-01-20 2020-06-12 深圳市雅力士电机有限公司 Rotating device
CN215171903U (en) * 2021-05-18 2021-12-14 浙江捷昌线性驱动科技股份有限公司 Linear actuator and lifting platform

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022849A1 (en) * 1990-07-18 1992-01-23 Bosch Gmbh Robert Drive for positioning e.g. window of motor vehicle - includes worm gear with extension from shaft surrounded by clamping rollers in pot with shoulder abutment
JP2000142105A (en) * 1992-03-06 2000-05-23 Asmo Co Ltd Power window motor
JPH08322195A (en) * 1995-05-26 1996-12-03 Matsushita Electric Ind Co Ltd Bearing structure for geared motor
US5605071A (en) * 1995-06-06 1997-02-25 Itt Automotive Electrical Systems, Inc. Enveloped worm gear clutch wedgelock responsive to reaction force
WO2005043719A1 (en) * 2003-10-28 2005-05-12 Valeo Motoren Und Aktuatoren Gmbh Electromotive auxiliary drive
JP2008039049A (en) * 2006-08-07 2008-02-21 Kayaba Ind Co Ltd Worm reduction gear and electric power steering device
JP2010223404A (en) * 2009-03-25 2010-10-07 Mitsuba Corp Clutch mechanism, and motor with reduction gear
CN107614928A (en) * 2015-06-29 2018-01-19 日本精工株式会社 Worm type of reduction gearing
JP2018115738A (en) * 2017-01-20 2018-07-26 日本精工株式会社 Worm reduction gear
CN110462991A (en) * 2017-03-14 2019-11-15 德沃特奥金有限公司 The electric furniture driving equipment of driving motor with braking device
CN210041553U (en) * 2019-07-08 2020-02-07 浙江三荣电机有限公司 Transmission mechanism of speed reducer
CN111271433A (en) * 2020-01-20 2020-06-12 深圳市雅力士电机有限公司 Rotating device
CN215171903U (en) * 2021-05-18 2021-12-14 浙江捷昌线性驱动科技股份有限公司 Linear actuator and lifting platform

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